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International Journal of Scientific & Technology Research

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IJSTR >> Volume 9 - Issue 9, September 2020 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



A Novel Collision Ratio Based Scheme For Improving The Performance Of Wireless Network

[Full Text]

 

AUTHOR(S)

Mohammad Saraireh, Saleh Saraireh

 

KEYWORDS

Ratio Based Scheme, Wireless Networks, Contention Window (CW), Medium Access Control Protocol (MAC), Collision Ratio.

 

ABSTRACT

The fast growth of wireless computer networks and multimedia applications means it is essential that these applications can be transmitted over the standard IEEE 802.11 Medium Access Control (MAC) protocol with high performance. Therefore, the aim of this paper is to develop a new schemed named Ratio Based that provides effective and efficient Quality of Service (QoS) provisioning in IEEE 802.11 DCF in a fair, scalable, and robust manner. Simulated wireless networks based on Network simulator (NS) package were carried out to examine and evaluate the impact of the proposed Ratio Based scheme on the network performance. The findings revealed that the IEEE 802.11 DCF protocol performed inadequately when transmitting various applications due to the limitations inherent in its operation. The study showed that inappropriate values of CWmin resulted in significant network performance degradations and demonstrated that it was important to select an appropriate set of MAC protocol transmission parameters in order to provide better performance. Ratio based scheme was developed to dynamically adjust the CW values according to the current and past network conditions. Using this scheme significant improvements were achieved in the performance of IEEE 802.11 DCF protocol.

 

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